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Kickstart your app development with templates built on your preferred Wix developer tool. Browse templates for practical foundation and get to know the Wix ecosystem.

Wix App Templates for Developers

This example apps can be used as a starting point for building your own app, for concrete examples of how to use Wix framework, or for inspiration.

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Deployment instructions:

Choose a package manager and run the command in your terminal.

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Before you get started, make sure you have the following:

Prerequisite steps

Get started with Wix CLI

Begin by setting up your Next.js project with your preferred hosting platform.

Select your hosting service

Start the deployment flow and set up your template repo on Netlify. After you finish set up, come back here and add your Netlify custom domain.

Copy the code from our Git repo to deploy your app on any platform that supports Next.js.

Start the deployment flow and set up your template repo on Vercel. After you finish set up, come back here and add your Vercel generated URL.

Add the base URL and give your app a name.

App details

Go to the app dashboard and test your app to ensure a smooth integration within the Wix ecosystem. <0>Learn more about app checks and testing</0>

Define your environment

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Your app name will be used as the namespace suffix.

Name your app to generate a namespace. This lets you refer to your app in code later on.

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# About CLI App Backend Extensions

The Wix CLI allows you to add [backend extensions](fallback::https://dev.wix.com/docs/build-apps/develop-your-app/extensions/backend-extensions/about-backend-extensions) to your app. 

The following backend extensions are available in the CLI:

- [Service plugin extensions](fallback::#service-plugin-extensions).
- [API extensions](fallback::#api-extensions).
- [Event extensions](fallback::#event-extensions).

You can add these extensions using the `npm run generate` command.

All backend extensions built with the CLI have:

- **Logging functionality:** You can use the CLI to view logs from the backend of any version of your app. Read more about [logging](fallback::#logging).
- **Limits:** Backend extensions have execution limits, rate limits, and a time limit for backend functionality in previews. Read more about [limits](fallback::#limits).

## Service plugin extensions

Service plugin extensions (formerly SPIs) are a set of APIs defined by Wix that you can use to enable your app to inject custom logic into existing app flows or to introduce entirely new flows to Wix sites. You can implement service plugin extensions in your app using the CLI. Read more about [service plugin extensions](fallback::https://dev.wix.com/docs/build-apps/develop-your-app/frameworks/wix-cli/supported-extensions/backend-extensions/service-plugins/add-service-plugin-extensions-with-the-cli).

## API extensions

API extensions allow you to define HTTP functions that can be called from your frontend code. The CLI handles the setup and hosting of the backend code for you, simplifying the development process. These API functions can be invoked from any frontend component in your CLI project. Read more about [API extensions](fallback::https://dev.wix.com/docs/build-apps/develop-your-app/frameworks/wix-cli/supported-extensions/backend-extensions/api/add-api-extensions-with-the-cli).

## Event extensions

Events are triggered when specific conditions on your app or a user’s site are met. Wix Apps can respond to these events using event extensions created in the CLI. Events in the CLI are built on Javascript SDK webhooks, and event extensions subscribe your app to these webhooks behind the scenes. Read more about [event extensions](fallback::https://dev.wix.com/docs/build-apps/develop-your-app/frameworks/wix-cli/supported-extensions/backend-extensions/events/add-event-extensions-with-the-cli).

## Logging

You can use the CLI to view logs from the backend of any [version](fallback::https://dev.wix.com/docs/build-apps/develop-your-app/frameworks/wix-cli/app-development/development-overview#app-versions-and-deployment) of your app.

For instructions on how to do this, see [logs](fallback::https://dev.wix.com/docs/build-apps/develop-your-app/frameworks/wix-cli/app-development/cli-command-reference#logs) in the CLI Command Reference.

## Limits

<blockquote class="important">

__Important:__
Limits are subject to change. We will notify you of any upcoming changes through the CLI and [Discord](fallback::https://discord.gg/8g3j7ENrMa), and note them here in the the documentation.

</blockquote>

Backend extensions in the CLI have the following limits:

### Execution rate limits
- **10 CPU MS per request** - Backend requests taking longer than 10 CPU MS to complete are terminated.
- **5 sub-requests** - Sub-requests are requests made from your backend extensions, such as calls to Wix APIs, in response to a request. Your app can make up to 5 sub-requests in response to each request. Sub-requests beyond the 5th will not be made.

### Request rate limit
- **1000 requests per second** - This is the limit for the total number of backend requests from every instance of your app. Requests beyond this are ignored.

### Backend functionality for previews
Previews generated by `npm run preview` last indefinitely. However, any backend extensions in these previews stop functioning after 3 days.